feature: Add basic EDID reading, writing, and patching capabilities

app/config/config.go

@@ -0,0 +1,80 @@
+package config
+
+import _ "embed"
+
+//go:embed default_config.yml
+var InitialConfig []byte
+
+type DisplayConfig struct {
+	Angle   *int `yaml:"angle"`
+	FOV     *int `yaml:"fov"`
+	Spacing *int `yaml:"spacing"`
+	Count   *int `yaml:"count"`
+}
+
+type AppOverrides struct {
+	AllowUnsupportedDevices *bool `yaml:"allow_unsupported_devices"`
+	OverrideWidth           *int  `yaml:"width"`
+	OverrideHeight          *int  `yaml:"height"`
+	OverrideRefreshRate     *int  `yaml:"refresh_rate"`
+}
+
+type Config struct {
+	DisplayConfig DisplayConfig `yaml:"display"`
+	Overrides     AppOverrides  `yaml:"overrides"`
+}
+
+func getPtrToInt(int int) *int {
+	return &int
+}
+
+func getPtrToBool(bool bool) *bool {
+	return &bool
+}
+
+var DefaultConfig = &Config{
+	DisplayConfig: DisplayConfig{
+		Angle:   getPtrToInt(45),
+		FOV:     getPtrToInt(45),
+		Spacing: getPtrToInt(1),
+		Count:   getPtrToInt(3),
+	},
+	Overrides: AppOverrides{
+		AllowUnsupportedDevices: getPtrToBool(false),
+	},
+}
+
+func InitializePotentiallyMissingConfigValues(config *Config) {
+	// TODO: is there a better way to do this?
+	if config.DisplayConfig.Angle == nil {
+		config.DisplayConfig.Angle = DefaultConfig.DisplayConfig.Angle
+	}
+
+	if config.DisplayConfig.FOV == nil {
+		config.DisplayConfig.FOV = DefaultConfig.DisplayConfig.FOV
+	}
+
+	if config.DisplayConfig.Spacing == nil {
+		config.DisplayConfig.Spacing = DefaultConfig.DisplayConfig.Spacing
+	}
+
+	if config.DisplayConfig.Count == nil {
+		config.DisplayConfig.Count = DefaultConfig.DisplayConfig.Count
+	}
+
+	if config.Overrides.AllowUnsupportedDevices == nil {
+		config.Overrides.AllowUnsupportedDevices = DefaultConfig.Overrides.AllowUnsupportedDevices
+	}
+
+	if config.Overrides.OverrideWidth == nil {
+		config.Overrides.OverrideWidth = DefaultConfig.Overrides.OverrideWidth
+	}
+
+	if config.Overrides.OverrideHeight == nil {
+		config.Overrides.OverrideHeight = DefaultConfig.Overrides.OverrideHeight
+	}
+
+	if config.Overrides.OverrideRefreshRate == nil {
+		config.Overrides.OverrideRefreshRate = DefaultConfig.Overrides.OverrideRefreshRate
+	}
+}